20529272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 40867200

約数和(自身を除く): 20337928

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1031, 1048, 2062, 2489, 4124, 4978, 8248, 9956, 19589, 19912, 39178, 78356, 135061, 156712, 270122, 540244, 1080488, 2566159, 5132318, 10264636, 20529272]

約数ペア:

[(1, 20529272), (2, 10264636), (4, 5132318), (8, 2566159), (19, 1080488), (38, 540244), (76, 270122), (131, 156712), (152, 135061), (262, 78356), (524, 39178), (1031, 19912), (1048, 19589), (2062, 9956), (2489, 8248), (4124, 4978)]